#2F65B1#2F65B1

#2F65B1 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.0% C 0.134 H 257.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2F65B1
RGB	rgb(47, 101, 177)
HSL	hsl(215, 58%, 44%)
HSV	hsv(215, 73%, 69%)
CMYK	cmyk(73.4%, 42.9%, 0%, 30.6%)
CIE-LAB	lab(42.89, 8.70, -45.64)
CIE-LCH	lch(42.89, 46.46, 280.79°)
OKLab	oklab(51.01% -0.029 -0.1305)
OKLCH	oklch(51.01% 0.134 257.5)
XYZ	xyz(13.7589, 13.0845, 43.3869)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F65B1 #B17B2F

analogous

#2FA6B1 #2F65B1 #3A2FB1

triadic

#2F65B1 #B12F65 #65B12F

tetradic

#2F65B1 #B12FA6 #B17B2F #2FB13A

square

#2F65B1 #B12FA6 #B17B2F #2FB13A

split-complementary

#2F65B1 #B13A2F #A6B12F

monochromatic

#152E50 #224981 #2F65B1 #4D84D0 #7EA5DD

Accessibility & contrast

On white

5.81

#2F65B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#2F65B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F65B1

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F65B1	#FFFFFF	#000000	##FFFFFF
##2F65B1	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB4

Deuteranopia (green-blind)

#2960AF

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f65b1;
/* rgb */ color: rgb(47, 101, 177);
/* oklch */ color: oklch(51.0% 0.134 257.5);

Tailwind

colors: {
  custom: {
    50: '#7990c9',
    500: '#2f65b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f65b1;
$custom-light: #7990c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f65b1",
  "rgb": {
    "r": 47,
    "g": 101,
    "b": 177
  },
  "hsl": {
    "h": 215.077,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51011,
    "c": 0.13367,
    "h": 257.5
  },
  "luminance": 0.13086
}

Semantic roles & 50–950 ramp

primary

#2F65B1

secondary

#C5A576

accent

#A147E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F65B1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →